core: Don't configure kdump when PM is disabled

Kudmp integration is enabled by default for new host. But there's no
sense to configure kdump integration without PM enabled. So this patch
disable kdump integration during host deploy if PM is disabled.

Change-Id: Ib05b2ce0ae512787f7b5d113f3a4ee1a1f05544b
Bug-Url: https://bugzilla.redhat.com/1126854
Signed-off-by: Martin Perina <mperina@redhat.com>